<table id="pass1">
  <tr>
    <th>AXE</th>
    <td>axe</td>
  </tr>
  <tr>
    <th>AXE</th>
    <td>axe</td>
  </tr>
</table>

<table id="pass2" summary="">
  <tr>
    <th>AXE</th>
    <td>axe</td>
  </tr>
  <tr>
    <th>AXE</th>
    <td>axe</td>
  </tr>
</table>

<table id="fail1" summary="some table">
  <caption>
    some table
  </caption>
  <tr>
    <th>AXE</th>
    <td>axe</td>
  </tr>
  <tr>
    <th>AXE</th>
    <td>axe</td>
  </tr>
</table>
